Standard Specification for Type 101 Sealing Glass
NORMA vydaná dňa 1.11.2019
Označenie normy: ASTM F79-69(2019)
Dátum vydania normy: 1.11.2019
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This specification covers Type 101 sealing glass for use in electronic applications. The glass shall have a finish that ensures smooth, even surfaces and freedom from cracks, checks, bubbles, and other laws of a character detrimental to the strength or life of the component or device for which its use is intended. Different test methods shall be performed in order to determine the following properties of the sealing glass: softening point, annealing point, thermal expansion coefficient, contraction coefficient, and bead seal.
Keywords:
glass, sealing ,, ICS Number Code 21.140 (Seals, glands)